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ICSE Class 9 Answered

Show that the following quadratic equations are real roots. Also find their roots.a right parenthesis space 3 x to the power of 2 space end exponent plus space 2 x square root of 5   end root minus 5
b right parenthesis space 2 x squared space plus space 5 square root of 3 space x space plus space 6
c right parenthesis space 16 x squared space equals space 24 x space plus space 1
d right parenthesis space x squared space minus left parenthesis 1 space plus space square root of 2 space right parenthesis x space plus square root of 2 space equals space 0
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